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SPEEDAIRE Piston, 2": Mfr Part # PN21AA637G - Air Tool Replacement Parts
SPEEDAIREAir Tool Replacement Parts

SPEEDAIRE Piston, 2": Mfr Part # PN21AA637G

The SPEEDAIRE Piston (SKU 3G-OTH-164059) is an air tool replacement part, specifically a piston with a 2-inch size. Its manufacturer part number is PN21AA637G, and it is compatible with Part # 21AC17.

SKU 3G-OTH-164059

Brand
SPEEDAIRE
Item
Piston, 2": Mfr Part # PN21AA637G
Category
Air Tool Replacement Parts
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Technical Specifications

SPEEDAIRE
Manufacturer Part Number
PN21AA637G
Type
2": Mfr Part # PN21AA637G, Piston, Compatible with OEM Part # 21AC17

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SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE Piston (SKU 3G-OTH-164059) is an air tool replacement part, specifically a piston with a 2-inch size. Its manufacturer part number is PN21AA637G, and it is compatible with Part # 21AC17.

Frequently Asked Questions

What is the SPEEDAIRE PN21AA637G piston used for?

The SPEEDAIRE PN21AA637G piston is a 2-inch air tool replacement part designed to restore power and efficiency in pneumatic tools. It is commonly used in industrial maintenance and repair applications where a worn or damaged piston must be replaced to keep air tools operating reliably.

What are the specifications of the SPEEDAIRE PN21AA637G piston?

The SPEEDAIRE PN21AA637G piston has a 2-inch size and is classified as an air tool replacement part. It is compatible with OEM Part # 21AC17. The manufacturer part number is PN21AA637G, and the SKU is 3G-OTH-164059. Always verify fitment with your tool’s manual before ordering.

Where to buy the SPEEDAIRE PN21AA637G piston worldwide?

You can source the SPEEDAIRE PN21AA637G piston through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine replacement parts for industrial maintenance needs.

How to install the SPEEDAIRE PN21AA637G piston?

To install the SPEEDAIRE PN21AA637G piston, first disconnect the air tool from its power source. Remove the cylinder head and old piston, then clean the cylinder bore. Insert the new piston with proper orientation, reassemble the tool, and test for smooth operation. Refer to your tool’s service manual for torque specs.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE air tool replacement parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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